• county
  • FIPS 42065
  • Largest town: Punxsutawney

Jefferson County, Pennsylvania

Jefferson County had 43,367 residents in the Census Vintage 2024 estimate, on 652.4 square miles of land. It ranks 48th of 67 in Pennsylvania by population and 35th by land area.

Population
43,367
#48 of 67 in Pennsylvania · #1,131 in US
Area
652.4 sq mi
#35 of 67 in Pennsylvania · #1,444 in US
Density
66 / sq mi
#49 of 67 in Pennsylvania · #1,220 in US
Median household income
$49,430
#66 of 67 in Pennsylvania · #2,750 in US

Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area

Jefferson County within Pennsylvania. Pin: Harrisburg.

Measure from here

Tools and pages that start from Jefferson County

Jefferson County population, land area and income

Jefferson County had 43,367 residents in the Census Vintage 2024 estimate, on 652.4 square miles of land. It ranks 48th of 67 in Pennsylvania by population and 35th by land area. That works out to 66.5 people per square mile, below the US average of 96.3, and above the national county median.

The median county-equivalent in Pennsylvania has 82,953 residents; Jefferson County is somewhat smaller.

Its SAIPE 2023 median household income of $49,430 is in the bottom quarter among 3,143 counties with an estimate.

National rank among 3,144

Population

43,367

3144th1st

1131st of 3,144 (US)

Land area

652 sq mi

3144th1st

1444th of 3,144 (US)

Density

66.5 / sq mi

3144th1st

1220th of 3,144 (US)

Median household income

$49,430

3143rd1st

2750th of 3,143 (US)

Rank within Pennsylvania (67)

Population

43,367

67th1st

48th of 67 (PA)

Land area

652 sq mi

67th1st

35th of 67 (PA)

Density

66.5 / sq mi

67th1st

49th of 67 (PA)

Median household income

$49,430

67th1st

66th of 67 (PA)

How Jefferson County's population changed since 2020

Jefferson County lost 1,113 residents between the July 2020 and July 2024 estimates, a drop of 2.5%. That ranks 58th of 67 in Pennsylvania for growth. The median Pennsylvania county changed by -0.5%, and the state as a whole by +0.6%.

Since the April 2020 estimates base, Jefferson County recorded 1,886 births and 2,655 deaths, a natural change of -769. Net international migration added +66 and net domestic migration, people moving to or from other US counties, came to -426. The largest single component was natural change, which removed 769 people.

44.5k202044.1k202143.7k202243.6k202343.4k2024
Census Vintage 2024 county estimates for July 1 of each year. The axis starts above zero so year-to-year changes are visible.

Components of change, April 2020 to July 2024

Births
1,886
Deaths
2,655
Net international migration
+66
Net domestic migration
-426
Change, July 2023 to July 2024
-258

Where Jefferson County is

The Census internal point of Jefferson County is at 41.138000, -79.012400. It sits in UTM zone 17N. The map shades Pennsylvania's 67 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Jefferson County outlined. Dots are towns of 1,000+ people with residents in it.

Adams County: +4.0%Potter County: -2.4%Sullivan County: +1.6%Bucks County: +0.6%Carbon County: +1.5%McKean County: -2.3%Montour County: -0.1%Fulton County: -0.9%Columbia County: +2.0%Cameron County: -4.1%Elk County: -2.6%Bradford County: -0.4%Bedford County: +0.1%York County: +3.2%Monroe County: -1.1%Forest County: -5.2%Berks County: +2.4%Cambria County: -2.3%Franklin County: +2.1%Snyder County: -0.3%Somerset County: -2.5%Clarion County: -0.9%Indiana County: -0.2%Lackawanna County: +0.6%Wyoming County: -1.0%Lawrence County: -2.0%Mercer County: -2.2%Lehigh County: +3.0%Northampton County: +3.3%Cumberland County: +5.9%Fayette County: -3.6%Jefferson County: -2.5%Centre County: +1.2%Lebanon County: +1.4%Union County: -1.2%Clinton County: +1.3%Chester County: +4.8%Montgomery County: +2.6%Wayne County: +0.5%Pike County: +6.5%Susquehanna County: -0.6%Allegheny County: -1.4%Clearfield County: -2.9%Butler County: +2.7%Beaver County: -1.4%Crawford County: -2.1%Washington County: +0.5%Venango County: -1.7%Warren County: -3.0%Blair County: -2.0%Huntingdon County: -1.6%Lancaster County: +1.9%Luzerne County: +1.9%Westmoreland County: -1.0%Juniata County: -0.4%Armstrong County: -2.7%Tioga County: -0.8%Delaware County: +1.4%Northumberland County: -1.7%Mifflin County: -0.5%Lycoming County: -0.8%Perry County: +2.1%Philadelphia County: -1.7%Schuylkill County: +1.1%Dauphin County: +2.2%Greene County: -5.3%Erie County: -1.1%
Change 2020 to 2024
  1. < -2.2%
  2. < -1.0%
  3. < +0.1%
  4. < +1.9%
  5. ≥ +1.9%
no data

Orange pin: Jefferson County internal point. Dark pin: Harrisburg.

Internal point

Decimal
41.138000, -79.012400
DMS
41°08'16.80"N 79°00'44.64"W
UTM
17N 666815.6E 4555980.5N
Geohash
dprf40byj
Plus code
87H24XQQ+62

Towns in Jefferson County

6 incorporated places of 1,000+ people have residents in Jefferson County, 16,242 people together, or 37% of the county. Each figure counts only the part of the town inside Jefferson County; towns marked "part" extend into another county. The largest is Punxsutawney with 5,587.

  1. 01Punxsutawney5,587
  2. 02Brookville3,899
  3. 03Reynoldsville2,482
  4. 04Brockway2,226
  5. 05Sykesville1,082
  6. 06Falls Creek (part)966
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Jefferson County

The Census 2024 county adjacency file lists 6 neighbors for Jefferson County. The most populous is Indiana County, PA, with 82,953 residents. Distances run between Census internal points in a straight line.

Distance to Harrisburg and the nearest big city

Harrisburg is 126.8 miles ESE of Jefferson County's internal point in a straight line. The nearest place of 100,000 or more is Pittsburgh, PA (population 307,668), 69.8 miles away. The nearest place of 10,000 or more is St. Marys, PA (population 12,361), 33.7 miles away.

Jefferson County FIPS code

The FIPS code of Jefferson County is 42065: state code 42 for Pennsylvania plus county code 065. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $49,430.

Questions people ask

What is the population of Jefferson County, Pennsylvania?

The Census Vintage 2024 estimate for July 1, 2024 is 43,367. That is down 1,113 people (2.5%) from the July 2020 estimate of 44,480.

What is the FIPS code of Jefferson County?

42065. The first two digits (42) are Pennsylvania; the last three (065) identify the county.

What is the largest town in Jefferson County?

Punxsutawney, with 5,587 residents inside Jefferson County in 2024.

Which counties border Jefferson County?

6 county-equivalents border it in the Census 2024 adjacency file: Indiana County, PA; Clearfield County, PA; Armstrong County, PA; Clarion County, PA; Elk County, PA; Forest County, PA.

Sources and data as of

Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.

  1. 01Census Vintage 2024 county population estimates
  2. 02Census 2024 Gazetteer, counties
  3. 03Census SAIPE 2023 state and county estimates
  4. 04Census Vintage 2024 subcounty population estimates
  5. 05Census 2024 county adjacency file
  6. 06Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.